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Note 9 - Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Disposal Groups, Including Discontinued Operation Balance Sheet [Table Text Block] |
(Amounts in Thousands) |  | December 31, 2016 |  |  | December 31, 2015 |
Current assets |  |  |  |  |  |  |  |
Other assets |  | $ | 85 |  |  | $ | 34 |
Total current assets |  |  | 85 |  |  |  | 34 |
Long-term assets |  |  |  |  |  |  |  |
Property, plant and equipment, net (1) |  |  | 81 |  |  |  | 531 |
Other assets |  |  | 268 |  |  |  | — |
Total long-term assets |  |  | 349 |  |  |  | 531 |
Total assets |  | $ | 434 |  |  | $ | 565 |
Current liabilities |  |  |  |  |  |  |  |
Accounts payable |  | $ | 13 |  |  | $ | 85 |
Accrued expenses and other liabilities |  |  | 268 |  |  |  | 437 |
Environmental liabilities |  |  | 677 |  |  |  | 9 |
Total current liabilities |  |  | 958 |  |  |  | 531 |
Long-term liabilities |  |  |  |  |  |  |  |
Closure liabilities |  |  | 113 |  |  |  | 173 |
Environmental liabilities |  |  | 248 |  |  |  | 891 |
Total long-term liabilities |  |  | 361 |  |  |  | 1,064 |
Total liabilities |  | $ | 1,319 |  |  | $ | 1,595 |
Disposal Group, Including Discontinued Operation Income Statement [Table Text Block] |
|  | For The Year Ended December 31, |
Amount in Thousands |  | 2016 |  |  | 2015 |
Interest expense |  | $ | — |  |  | $ | (401 | )
Operating loss from discontinued operations |  |  | (730 | ) |  |  | (1,915 | )
Income tax benefit |  |  | — |  |  |  | (51 | )
Loss from discontinued operations |  |  | (730 | ) |  |  | (1,864 | )
Disposal Groups, Including Discontinued Operations [Table Text Block] |
|  | Current Accrual |  |  | Long-term Accrual |  |  | Total |
PFD |  | $ | 75 |  |  | $ | 60 |  |  | $ | 135 |
PFM |  |  | — |  |  |  | 15 |  |  |  | 15 |
PFSG |  |  | 602 |  |  |  | 173 |  |  |  | 775 |
Total liability |  | $ | 677 |  |  | $ | 248 |  |  | $ | 925 |

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